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Lewiston, ID-WA MSA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change -27
  equals Births 3,593
  less Deaths 3,620
Net Migration 1,189
  equals net International Migration 98
  plus net Domestic Migration 1,091

The population of the Lewiston, ID-WA MSA changed from 61,045 on 2010 to 62,153 in 2015 -- a change of 1,108 (1.82%). This report provides a summary of how and why the population has changed during this period and what these factors suggest about future change.

Primary Contributing Factors to Change
The primary contributing factors resulting in population change are 1) natural change (births less deaths) and/or 2) net migration. Eight tables are presented below providing annual data for each component county of the metro and metro summary. The tables provide data on the total population, births, deaths, natural change (births less deaths), international migration, domestic migration and net migration.

From 2010 to 2015 (7/1/2010-6/30/2015), net migration (1,189) exceeded natural change (-27); net migration has been the primary contributing factor for the metro population change. Examine the metro by county tables below to learn about how each county contributes to the metro population growth or decline.

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Related Sections
  • Lewiston, ID-WA MSA S&O Report
  • State of the States -- all states interactive table
  • Metro S&O Reports -- all metros interactive table
  • CountyTrends 2010-2015 -- all counties interactive table
  • CountyTrends -- multi-sourced county data
  • Regional Data Analytics Main

Table 1. Population          
Area NameGeoIDItem201020112012201320142015Chg 10-15%Chg 10-15
Nez Perce County, ID16069P0000001 39,335 39,438 39,566 39,912 39,932 40,048 713 1.81
Asotin County, WA53003P0000001 21,710 21,920 21,878 22,110 22,188 22,105 395 1.82
Total P0000001 61,045 61,358 61,444 62,022 62,120 62,153 1,108 1.82
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Nez Perce County, ID16069B0000001 460 448 480 505 466 483 2,382 
Asotin County, WA53003B0000001 248 252 229 251 238 241 1,211 
Total B0000001 708 700 709 756 704 724 3,593 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Nez Perce County, ID16069D0000001 384 491 500 521 479 443 2,434 
Asotin County, WA53003D0000001 132 216 241 269 220 240 1,186 
Total D0000001 516 707 741 790 699 683 3,620 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Nez Perce County, ID16069NC000001 76 -43 -20 -16 -13 40 -52 
Asotin County, WA53003NC000001 116 36 -12 -18 18 1 25 
Total NC000001 192 -7 -32 -34 5 41 -27 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Nez Perce County, ID16069MI000001 40 22 20 23 28 28 121 
Asotin County, WA53003MI000001 4 -3 -5 -5 -5 -5 -23 
Total MI000001 44 19 15 18 23 23 98 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Nez Perce County, ID16069MD000001 164 135 129 358 41 16 679 
Asotin County, WA53003MD000001 224 185 -24 247 62 -58 412 
Total MD000001 388 320 105 605 103 -42 1,091 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Nez Perce County, ID16069MN000001 204 157 149 381 69 44 800 
Asotin County, WA53003MN000001 228 182 -29 242 57 -63 389 
Total MN000001 432 339 120 623 126 -19 1,189 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Nez Perce County, ID16069GQ000001 966 925 941 961 966 966 0 0.00
Asotin County, WA53003GQ000001 174 174 174 174 174 174 0 0.00
Total GQ000001 1,140 1,099 1,115 1,135 1,140 1,140 0 0.00

Source: developed by ProximityOne based on Census Bureau and other data.
  -- http://proximityone.com (888.364.7656)